
Clutch Booster Pump
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Clutch Booster Pump
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Product Introduction
The clutch booster pump is used in vehicle braking systems.
The working principle of the clutch vacuum booster relies on the engine's intake of air during operation, creating a vacuum on one side of the booster while maintaining normal atmospheric pressure on the other. This pressure difference effectively amplifies the braking force. Under normal conditions, the one-way valve at the connection point between the vacuum tube and the vacuum booster remains open, linking the vacuum chamber to the diaphragm in the application chamber. Both chambers are sealed off from the outside environment but are connected to the atmosphere via two valve mechanisms. When the brake pedal is pressed, the pushrod closes the vacuum valve while simultaneously opening the air valve at the opposite end. This imbalance in internal air pressure causes the diaphragm to be pulled toward the master cylinder under the influence of the negative pressure, which in turn activates the master cylinder's pushrod—thus achieving the function of multiplying the force applied by the driver's leg.
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